Wheel-cultivator



(No Model.) 2 SheetsSheet 1. W. P. BROWN. WHEEL GULTIVATOR.

No. 312,425. Patented Feb. 17, 1885.

HTVENTOR:

ATTORNEYS.

WITNESSES (No Model.) 2 Sheets Sheet 2. W; P. BROWN.

0 T A V I T L U G L E E H W 5 Z 2 1 3 nw N Patented Feb. 17, 1885.

l l U mm a - WITNESSES:

ATTORNEYS.

UNITED STATES PATENT Orrrcn.

WVILLIAM P. BBOVN, OF ZANESVILLE, OHIO.

WH EEL-CULTIVATO R.

SPECIFICATION forming part of Letters Patent No. 312,425, dated February17, 1885.

Application tiled October 11, 1884. (X0 model.)

To all 2071,0722, it 72210 7 concern:

citizen of the United States, residing at Zauesville. in the county ofMuskiugum and State of Ohio, have invented certain new and usefulImprovements in \Vheeled Cultivators, of which the following is adescription.

Figure 1 is a side elevation, and Fig. 2 is a plan view, of one half ofa cultivator embodying my improvements.

My invention relates to the patent granted me April 19, 1881, No.240,377, in which the plow-beams were provided with a resilient fleXiblejoint, and were provided with a lifting-spring and a draft-connectionthat tended to draw the plows into the ground.

My present invention consists ina development of that idea andimprovement upon that construction, as will be hereinafter more fullydescribed.

In the drawings, A is a pipe-box encompassing the lower horizontalportions of the crank-axle next to thewheels. At one end of thispipe-box is fastened the draft-connection B, having a series of holesextending from a point above to a point below the axle.

To the pipe-box or other equivalent rocking connection is clamped orformed the portion 0 of the plow-coupling to which the portion D isjointed by a vertical pivot-bolt, a, while the portion D of the couplingis jointed by a horizontal pivot-bolt, b, to the coupling E on the frontends of the plow-beams F. These plow-beams are thus enabled to swingfrom side to side about the vertical pivot-bolt a, and have anup-and-down motion aboutthe horizontal pivotbolt b.

The middle coupling-piece, D, is formed with upright projecting flangesD D". These flanges are provided with a series of holes for adjustmentof the horizontal bolt Z) higher or lower to increase or decrease therocking force of the intermediate coupling, D. These flanges D D" oncoupling D may be used as a substitute for flange B on coupling A torock the coupling down and the flange B entirely dis pensed with, andthe draft-rod of the team be attached directly to the axle or truck; butwhere additional weight is desired to be added to the PIOWDQZHIHS theflange B may be used, but the function of the intermediate coupling, D,is to.rocl itself by the plows own draft and the plows friction withtheground, and the flange B to add to the rocking, if desired. It willbe readily understood how the plow rocks itself, down by its own draftwhen it is remembered that it drat'tpoint I) is on a higher level thanthe axle, and is ajoint that allows movement in a vertical plane, sothat a pull tends to bring the draft-point b and plowbeam down into thesame horizontal line with the axle, no matter whether the strain isapplied through flange B or not.

The arm D is attached to coupling D and projects rearward'ly under theplow-beams to a point near the bend of the latter, andis connected to avertical stem, 0, which passes up through a hole in a cross-bar, G, andis held up by a spiral spring, (Z, placed around this stem and betweenthe cross-bar and a not on top of said stem; but where the plowbeam iscomposed of a single bar the vertical stem 0 may pass up through thebeam. cross-bar is provided with a vertical standard, G, havingperforations in it, in one of which perforations is fastened by a bolt alink-rod, II, which extends forward to and passes upon both sides of theextended upper end of the pivot-bolta, and then by'a short bar, I, isattached to the lower end of the spring J, fastened to the upperport-ion of the truck or frame.

Instead of attaching the lifting-rod H to the vertical stem G, it may beattached to the plow-beam or any other suitable place in rear of thecoupling-bolt.

The principal features of this improvement are two in number. Firstis toprovide plow beams or gangs with a coupling which permits the yieldingof the front of the plowbeam, which yielding or rocking is designed toaccommodate an increased pressure of the plows on the ground. Toaccomplish this the arm D is provided. Now, when the draft strain is atthe lower end of the connection B, or the horizontal boltin the upperholes ofthe flanges D D the tendency of the pipebox is to rock thecouplings in rear of it downwardly, and by this'tendency the force istransmitted through the arm I), which exerts a'pull on the plow-beams ina downward direction in rear of the horizontal pivot-bolt l), which pullThis is rendered elastic by the spiral spring d, and serves to hold theplows against hard ground, while the canting vofthe coupling D downwardalso throws the front end of the plow-beams downward and causes theplows to run deeper in the ground; butl would have it understood thatrocking the couplings by means of the flange B on the coupling-sleeve Amay be dis pensed with, and .the rocking done entirely by means of thecoupling D and flanges D D by a change of the horizontal bolt from thelower to the upper holes in flanges D D of the intermediate coupling, D.To dispense with the flange B on coupling-sleeve A the draft-rod may behooked or attached to the axle or truck directly.

The second general feature of the invention is the application of thelifting force of the spring J to the plow-beams at a point in rear ofthe vertical bolt a of the coupling, and in such a manner as will allowthe liftingspring to draw always in line with the vertical pivotbolt a.This I accomplish by the link-rod H, which passes on both sides of theextended vertical bolt a, so that no matter whether the plow-beams arefollowing in a direct line or thrown to one side the spring pullsalways'in direct line with the pivot-bolt a, and does not pull the plowsaround when the beams are thrown to one side.

The guiding of the link-rod H by the vertical pivot-bolt a, to preventthe spring J from pulling the plow-beanis to one side, is only necessarywhen thesprin g is located elsewhere than over the said pivot-bolt.lVhen its attachment is immediately over the said pivotbolt, suchguiding effect is not needed, as the object of this part of my inventionis to lift the plow by attaching to the beam and lift directly by way ofthe pivotbolt regardless of the location of the springs. Lifting theplow-beam by attaching directly to the beam in rear of its pivot-bolt,and lifting directly in line of its pivot-bolt, not only preventspulling the plows to one side when out of a direct or straight line, butassists to hold the weight off of the arm D, which otherwise would haveto carry the weight of the plow unless assisted by the springs lift. ButI do not confine myself to this style of plow beam or gangs, as thismode of lifting may be applied to any of the ordinary plows adapted tobe used in connection with wheels or trucks.

Having thus described my invention, what I claim as new is 1. Aplow-beam combined with an axle and an intermediate coupling, whichcoupling is hung upon said axle to rock in a vertical'plane, and whichcoupling and beam are also connected together by a joint permittingmovement in a vertical plane, which joint is located above the level ofthe axle in order to rock the plow-beam down and increase the downwardthrust of the plowbeam by the plows own draft or friction, as and forthe purpose described.

2. The combination, with the plow-beam and a rocking pipe-box orjournaled connection, of the intermediate coupling jointed to theplow-beam above the level of the axle, and having 11 arm extending backunder the plow-beam and fastened to the beam by an elastic or springconnection, as and for the purpose described.

3. The combination, with the plowbeams, of a rocking pipe-box orconnection, and a coupling having vertical and horizontal pivotbolt aand b, and an arm, D, the stem 0, crossbar G. and spiral or elasticspring, as and for the purposes described.

4. The combination, with a vertically-moving plow-beam and its couplingin front hav ing a single vertical pivot-bolt, of a liftingspringconnected to the plow in rear of its vertical pivot-bolt, and a guide orguides for causing the lift of spring to be in line with the pivot-boltwhether the plows are following in direct line or thrown to either side,as and for the purposes described.

5. In combination with the plow and its draft-coupling with singlevertical pivot-bolt, the connecting link or red H, guided to or over thepivot-bolt, and connected to the plow at one end in rear of thepivot-bolt and to a lifting-spring at the other, as and for the purposesdescribed.

6. In a cultivator, the combination ofa vertically and laterally movingplow-beani having a coupling with a single vertical pivotbolt and alifting spring and guide and con necting link or red H, for causing itto exert its lifting force on the plow in rear of its pivotbolt, and inline with the pivot-bolt, regard less of the springs location, asdescribed.

lVILLl AM P. BROXVN.

lVitnesses:

O. W. Fnnstrmmknn, N. H. Moonn.

